package com.itheima.reggie.service.impl;

import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.itheima.reggie.common.CustomerException;
import com.itheima.reggie.mapper.CategoryMapper;
import com.itheima.reggie.pojo.Category;
import com.itheima.reggie.pojo.Dish;
import com.itheima.reggie.pojo.Setmeal;
import com.itheima.reggie.service.CategoryService;
import com.itheima.reggie.service.DishService;
import com.itheima.reggie.service.SetmealService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

@Service
public class CategoryServiceImpl extends ServiceImpl<CategoryMapper, Category> implements CategoryService {

    @Autowired
    private DishService dishService;

    @Autowired
    private SetmealService setmealService;

    @Override
    public void remove(Long id) {
        //1,查询dish菜品表
        QueryWrapper<Dish>queryWrapper1=new QueryWrapper<>();
        queryWrapper1.eq("category_id",id);
        int count1 = dishService.count(queryWrapper1);
        if(count1>0){
            throw new CustomerException("不能删除分类，有相关联的菜品数据");
        }

        //2，查询setmeal 套餐表
        QueryWrapper<Setmeal>queryWrapper2=new QueryWrapper<>();
        queryWrapper2.eq("category_id",id);
        int count2 = setmealService.count(queryWrapper2);
        if(count2>0){
            throw new CustomerException("不能删除分类，有相关联的套餐数据");
        }

        this.removeById(id);

    }
}
